Polymer matrix electroluminescent materials and devices
AssigneeMaxdem Incorporated
InventorsMatthew L. Marrocco III, Farshad J. Motamedi
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Abstract
Photoluminescent and electroluminescent compositions are provided which comprise a matrix comprising aromatic repeat units and a luminescent metal ion or luminescent metal ion complex. Methods for producing such compositions, and the electroluminescent devices formed therefrom, are disclosed.
Claims80
A composition comprising a polymer comprising repeat units selected from the group consisting of:
- 18 19
- where R is independently selected from H, D, F, alkoxy, aryloxy, alkyl, aryl, alkyl ketone, aryl ketone, alkylester, arylester, amide, carboxylic acid, fluoroalkyl, fluoroaryl, polyalkalene oxy, any two of the R groups may be bridging, A and B are independently selected from the group consisting of —O—, —S—, —NR1—, and —CR1R2—, —CR1R2CR3R4—, —N═CR1—, —CR1═CR2—, —N═N—, and —(CO)— where R1-R4 are H, D, F, alkyl, aryl, alkyleneoxy, polyalkyleneoxy, alkoxy, aryloxy, fluoroalkyl, and fluoroaryl, two of the R1-R4 groups may be bridging, m is 0-2, n is 0-3, o is 0-4, p is 0-5, q is 0-6, and r is 0-7, s is 0-8, and E is selected from the group consisting of O, NH, and S;
- and
- one or more luminescent metal ions or luminescent metal ion complexes.
An electroluminescent composition comprising:
- an aromatic hydrocarbon matrix;
- and
- a lanthanide metal complex having an aromatic ligand.
An electroluminescent device comprising:
- a first electrode;
- one or more charge transport layers;
- and
- an electroluminescent layer comprising the composition of claim 60 and a second electrode.
A composition comprising a polarizable matrix comprising discrete molecules and a luminescent lanthanide metal ion.
A composition comprising a polymer of the structure:
- [Parenopenst]R-polarizable ligand-R[Parenclosest][Parenopenst]Y[Parenclosest];
- and one or more luminescent metal ions or metal ion complexes, wherein R is independently selected from H, D, F, Cl, Br, I, alkoxy, aryloxy, alkyl, aryl, alkyl ketone, aryl ketone, alkylester, arylester, amide, carboxylic acid, fluoroalkyl, fluoroaryl, polyalkalene oxy, any two of the R groups may be bridging, and Y is a polymer repeat unit.
A composition comprising a polymer comprising repeat units selected from the group consisting of:
- 28 29
- where R is independently selected from H, D, F, Cl, Br, I, alkoxy, aryloxy, alkyl, aryl, alkyl ketone, aryl ketone, alkylester, arylester, amide, carboxylic acid, fluoroalkyl, fluoroaryl, polyalkalene oxy, any two of the R groups may be bridging, m is 0-2, n is 0-3, o is 0-4, p is 0-5, and q is 0-6, A and B are independently selected from the group consisting of —O—, —S—, —NR1—, and —CR1R2—, —CR1R2CR3R4—, —N═CR1—, —CR1═CR2—, —N═N—, and —(CO)— where R1-R4 are H, D, F, alkyl, aryl, alkyleneoxy, polyalkyleneoxy, alkoxy, aryloxy, fluoroalkyl, and fluoroaryl, two of the R groups may be bridging, m is 0-2, n is 0-3, o is 0-4, p is 0-5, q is 0-6, and r is 0-7, and E is selected from the group consisting of O, NH, and S;
- and
- one or more luminescent metal ions or luminescent metal ion complexes.
Dependencies are inferred from the claim text.